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ADC14161CIVT Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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ADC14161CIVT Datasheet(HTML) 7 Page - National Semiconductor (TI) |
7 / 20 page DC and Logic Electrical Characteristics The following specifications apply for AGND = DGND = DGND I/O = 0V, V + = V A = VD = +5.0V, VD I/O = 3.0V or 5.0V, PD = +5V, V REF+ = +2.0V, VREF IN = AGND, fCLK = 2.5 MHz, RS = 25Ω,CL = 50 pF/pin. After Auto-Cal @ Temperature. Boldface limits apply for T A = TJ = TMIN to TMAX: all other limits TA = TJ = 25˚C(Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits (Note 11) Units CLOCK, RD, PD Digital Input Characteristics V IN(1) Logical ″1″ Input Voltage V + = 5.25V 2.0 V(min) V IN(0) Logical ″0″ Input Voltage V + = 4.75V 0.8 V(max) I IN(1) Logical ″1″ Input Current V IN = 5.0V 5 µA I IN(0) Logical ″0″ Input Current V IN = 0V −5 µA C IN V IN Input Capacitance 5 pF CAL, RESET Digital Input Characteristics V IN(1) Logical ″1″ Input Voltage V + = 5.25V 3.5 V(min) V IN(0) Logical ″0″ Input Voltage V + = 4.75V 1.0 V(max) I IN(1) Logical ″1″ Input Current V IN = 5.0V 5 µA I IN(0) Logical ″0″ Input Current V IN = 0V −5 µA C IN Input Capacitance 5 pF D00 - D13 Digital Output Characteristics V OUT(1) Logical ″1″ Output Voltage V D I/O = 4.75V, IOUT = −360 µA 4.5 V(min) V OUT(1) Logical ″1″ Output Voltage V D I/O = 2.7V, IOUT = −360 mA 2.5 V(min) V OUT(0) Logical ″0″ Output Voltage V D I/O = 5.25V, IOUT = 1.6 mA 0.4 V(max) V D I/O = 3.3V, IOUT = 1.6 mA 0.4 V(max) I OZ TRI-STATE Output Current V OUT = 3V or 5V 100 nA V OUT = 0V −100 nA +I SC Output Short Circuit Source Current V OUT = 0V, VD I/O = 3V −10 mA −I SC Output Short Circuit Sink Current V OUT = VD I/O = 3V 12 mA Power Supply Characteristics I A Analog Supply Current PD = V D I/O 70 85 mA(max) I D Digital Supply Current PD = V D I/O 7 8 mA(max) I D I/O Output Bus Supply Current PD = V D I/O 1 2 mA(max) Total Power Consumption PD = V D I/O 390 475 mW(max) PD = DGND <2mW PSRR Power Supply Rejection Ratio 250 mV PP 100kHz riding on VA 54 dB AC Electrical Characteristics The following specifications apply for AGND = DGND = DGND I/O = 0V, V + = V A = VD = +5.0V, VD I/O = 3.0V or 5.0V, PD = +5V, V REF+ = +2.0V, VREF IN = AGND, fCLK = 2.5 MHz, RS = 25Ω,CL = 50 pF/pin. After Auto-Cal @ Temperature. Boldface limits apply for T A = TJ = TMIN to TMAX: all other limits TA = TJ = 25˚C(Notes 7, 8, 9) Symbol Parameter Conditions Typical (Note 10) Limits (Note 11) Units (Limits) f CLK Conversion Clock (CLOCK) Frequency 300 kHz(min) 3 2.5 MHz(max Conversion Clock Duty Cycle 45 55 %(min) %(max) t CONV Conversion Latency 13 Clock Cycles t AD Aperture Delay 9 ns www.national.com 7 |
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